/ Dictionary / Index G grandmother: Meaning and Definition of Find definitions for: grand•moth•er Pronunciation: (gran'mu"ur, grand'-, gram'-), [key] — n. the mother of one's father or mother. a female ancestor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grandmother (Thesaurus) Grand'Mère grandmotherly Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language